The M151A1 was a variant of the M151, a military utility truck which was used by the U.S. Army and Marine Corps from 1959 to the early 1990s. It was first released to troops in 1964, and compared to the original truck it had a modified rear suspension and also received turn signals on its front fender. Some variants of the M151A1 were equipped with a 106mm rifle, and some even revamped to serve as ambulances. The vehicle also served in the Vietnam War.

The Tamiya model comes in 1/35 scale and it captures all the details of the full size subject. It includes 2 sets of markings to depict the vehicle as it appeared during the Vietnam police action conflict.